Takao Suzuki

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Reflection type liquid-crystal display device
- Patent number 7,502,081
- Issue date Mar 10, 2009
- Nitto Denko Corporation
- Seiji Umemoto
- G02 - OPTICS
Information Patent Grant
Optical film and liquid-crystal display device
- Patent number 7,227,685
- Issue date Jun 5, 2007
- Nitto Denko Corporation
- Seiji Umemoto
- G02 - OPTICS
Information Patent Grant
Optical film and liquid-crystal display device
- Patent number 6,917,473
- Issue date Jul 12, 2005
- Nitto Denko Corporation
- Seiji Umemoto
- G02 - OPTICS
Information Patent Grant
Optical path changing polarizer
- Patent number 6,882,474
- Issue date Apr 19, 2005
- Nitto Denko Corporation
- Seiji Umemoto
- G02 - OPTICS
Information Patent Grant
Optical film and liquid-crystal display device
- Patent number 6,747,801
- Issue date Jun 8, 2004
- Nitto Denko Corporation
- Seiji Umemoto
- G02 - OPTICS
Information Patent Grant
Light pipe, plate light source unit and reflection type liquid-crys...
- Patent number 6,742,921
- Issue date Jun 1, 2004
- Nitto Denko Corporation
- Seiji Umemoto
- G02 - OPTICS
Information Patent Grant
Light pipe unit, plane light source unit and liquid-crystal display...
- Patent number 6,366,409
- Issue date Apr 2, 2002
- Nitto Denko Corporation
- Seiji Umemoto
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical film and liquid-crystal display device
- Publication number 20040125457
- Publication date Jul 1, 2004
- NITTO DENKO CORPORATION
- Seiji Umemoto
- G02 - OPTICS
Information Patent Application
Optical film and liquid-crystal display device
- Publication number 20040125456
- Publication date Jul 1, 2004
- NITTO DENKO CORPORATION
- Seiji Umemoto
- G02 - OPTICS
Information Patent Application
Light pipe, plane light source unit and reflection type liquid-crys...
- Publication number 20020015314
- Publication date Feb 7, 2002
- NITTO DENKO CORPORATION
- Seiji Umemoto
- G02 - OPTICS
Information Patent Application
Reflection type liquid-crystal display device
- Publication number 20020005922
- Publication date Jan 17, 2002
- NITTO DENKO CORPORATION
- Seiji Umemoto
- G02 - OPTICS
Information Patent Application
Optical film and liquid-crystal display device
- Publication number 20010053029
- Publication date Dec 20, 2001
- Seiji Umemoto
- G02 - OPTICS
Information Patent Application
Optical path changing polarizer
- Publication number 20010009474
- Publication date Jul 26, 2001
- Seiji Umemoto
- G02 - OPTICS